Questions tagged [10gen-csharp-driver]
11 questions
12
votes
1 answer
How do you increment a field in mongodb using c#
Thought this would be pretty straight forward, but my value is remaining the same (0).
What I'd like to do is increment my UnreadMessages field when the user receives a message they haven't read and then decrement it when they have. So I thought…
rball
- 6,925
- 7
- 49
- 77
6
votes
1 answer
Mongo C# Fluent Aggregation Pipeline Group Anonymous Type Key Exception
I am using the new Fluent Aggregation Pipeline in v2 of the 10gen Mongo C# driver, but am experiencing an exception when trying to group by more than one field (example code below).
The Exception that is thrown is ...
Command aggregate failed:…
Mingo
- 836
- 3
- 12
- 19
6
votes
3 answers
Deserialization Error ASP.NET MongoDB
I am trying to retireve all the documents in my MongoDB collection via a REST api built in ASP.NET MVC 4 and I have encoutered an error when i enter localhost:50491/api/document:
An error occurred while deserializing the Id property of class…
Mike Barnes
- 4,217
- 18
- 40
- 64
4
votes
1 answer
How to query a sub document collection using MongoDB and C# driver
I have the following structure:
public class ThreadDocument
{
public ThreadDocument()
{
Messages = new List();
Recipients = new List();
}
[JsonIgnore]
public ObjectId Id { get; set; }
…
rball
- 6,925
- 7
- 49
- 77
3
votes
1 answer
How to cache some temp data in MongoDB?
I have some client-server application. And as one of its part, I need to implement a paginal approach on client side. I am making data footprint from db (I'm using MongoDB with 10gen's driver) on server-side and then give part of the footprint on…
Illia Ratkevych
- 3,507
- 4
- 29
- 35
2
votes
1 answer
connecting mongodb to c#
I use c# and asp.net mvc (visual studio 2015). When I try to connect mongodb to c#,this error appears:
MongoDB.Driver.MongoConfigurationException: The connection string 'mongodb:://localhost' is not valid.
and the error source is:
var client = new…
mypeeka
- 57
- 2
- 11
2
votes
3 answers
How can I update a inner property using the 10gen c# driver?
I have this structure:
public class User
{
public ObjectId Id { get; set; }
public Location Location { get; set; }
public DateTime LastAround {get;set;}
}
public class Location
{
public double Latitude { get; set; }
public…
rball
- 6,925
- 7
- 49
- 77
1
vote
2 answers
C# 10gen and mongo: deserialization for members as interfaces
All
Consider this example:
private class CollectionHolder
{
public ObjectId Id { get; set; }
public MyCollection Collection { get; set; }
}
private class MyCollection : List
{
public…
Rustem Mustafin
- 957
- 1
- 11
- 23
0
votes
2 answers
How to add placeholder to c# code?
How to add placeholder to c# code ? I want to display DateTime.Now in my form.
@Html.EditorFor(model => model.Date, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model =>…
Aleksandra Nowak
- 57
- 8
0
votes
1 answer
Hash-Based Sharding in MongoDB
I am trying to set up hash-based sharding, but it doesn't works. I am using mongo 2.4.
It would be great to see real examples of how to start mongo claster. (steps)
How to configure hash-based sharding for large MongoDB deployment?
Andrei
- 42,814
- 35
- 154
- 218
0
votes
1 answer
Search Substring on a Integer Value
Let's say we have a mongodb collection that has elements containing an int attribute value like: {"MyCollectionAttribute": 12345}
How can I search the string "234" inside the int using Query. syntax?
For now it seems to work(as explained here)…
eugen
- 464
- 5
- 16